Quandaries
and Queries 

I have 6 acres of concrete that is 3 feet thick the aprox. weight of 1 cubic yard of concrete is 4024 pounds I am trying to find out how much my 6 acres weighs. fortunately my concrete is 3 feet deep. Please Help My Boss really needs this answer and I don't know if my equations are flawed. Thank you very much for your help. 

Hi Jordan, There are 43560 square feet in an acre so 6 43560 = 261360 square feet in your 6 acres. One square yard is 3 feet by 3 feet and hence 9 square feet, thus your 6 acres is 261360/9 = 29040 square yards. The concrete is 3 feet thick which is 1 yard thick so the volume of concrete is
Each cubic yard weighs 4024 pounds so you have
which is 58,428 tons. Penny 

